3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function __construct(){ if(isset($this)){ $this->baz = 10; }else{ return new self(); } } } var_dump(A::__construct());

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0140.00316.88
8.3.50.0240.00921.92
8.3.40.0150.00318.67
8.3.30.0060.00918.89
8.3.20.0040.00420.16
8.3.10.0070.00023.66
8.3.00.0040.00419.66
8.2.180.0120.00316.75
8.2.170.0040.01122.96
8.2.160.0110.00320.32
8.2.150.0050.00324.18
8.2.140.0040.01124.66
8.2.130.0060.00321.13
8.2.120.0080.00026.35
8.2.110.0000.00920.93
8.2.100.0080.00417.91
8.2.90.0080.00019.39
8.2.80.0000.00917.97
8.2.70.0060.00317.63
8.2.60.0090.00017.92
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0040.00418.00
8.2.20.0080.00017.74
8.2.10.0000.00818.00
8.2.00.0080.00017.98
8.1.280.0130.00725.92
8.1.270.0130.00720.38
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0060.00322.34
8.1.230.0070.00320.85
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0090.00018.52
8.1.160.0070.00018.84
8.1.150.0040.00418.68
8.1.140.0060.00319.36
8.1.130.0000.00817.53
8.1.120.0030.00417.27
8.1.110.0050.00217.23
8.1.100.0050.00317.24
8.1.90.0060.00317.24
8.1.80.0040.00417.34
8.1.70.0070.00017.22
8.1.60.0000.00717.53
8.1.50.0030.00617.33
8.1.40.0040.00417.52
8.1.30.0080.00017.45
8.1.20.0050.00317.45
8.1.10.0040.00417.48
8.1.00.0080.00017.43
8.0.300.0060.00319.94
8.0.290.0080.00016.63
8.0.280.0000.00818.30
8.0.270.0070.00017.10
8.0.260.0060.00017.11
8.0.250.0030.00316.95
8.0.240.0030.00316.92
8.0.230.0040.00416.91
8.0.220.0000.00716.79
8.0.210.0030.00516.78
8.0.200.0000.00716.85
8.0.190.0000.00716.96
8.0.180.0030.00516.81
8.0.170.0040.00416.98
8.0.160.0040.00416.75
8.0.150.0060.00316.73
8.0.140.0070.00016.85
8.0.130.0000.00513.30
8.0.120.0000.00916.80
8.0.110.0050.00216.87
8.0.100.0030.00416.90
8.0.90.0030.00316.90
8.0.80.0030.01316.89
8.0.70.0000.00716.82
8.0.60.0040.00416.79
8.0.50.0000.00716.76
8.0.30.0100.01016.99
8.0.20.0090.01217.40
8.0.10.0000.00716.84
8.0.00.0120.00916.64
7.4.330.0000.00516.84
7.4.320.0000.00716.48
7.4.300.0000.00616.45
7.4.290.0040.00416.58
7.4.280.0040.00616.57
7.4.270.0030.00316.55
7.4.260.0020.00516.32
7.4.250.0000.00716.39
7.4.240.0040.00416.49
7.4.230.0070.00016.47
7.4.220.0140.00716.41
7.4.210.0060.01216.55
7.4.200.0050.00216.62
7.4.160.0160.00016.33
7.4.150.0040.01417.40
7.4.140.0050.01317.86
7.4.130.0060.01316.63
7.4.120.0110.00616.43
7.4.110.0190.00016.30
7.4.100.0100.01416.59
7.4.90.0100.00716.36
7.4.80.0080.00819.39
7.4.70.0100.01016.49
7.4.60.0030.01316.41
7.4.50.0040.01116.45
7.4.40.0070.01016.67
7.4.30.0120.00416.44
7.4.00.0030.01314.99
7.3.330.0060.00013.29
7.3.320.0060.00013.34
7.3.310.0040.00416.40
7.3.300.0030.00316.31
7.3.290.0080.00616.36
7.3.280.0100.00716.35
7.3.270.0110.01117.40
7.3.260.0070.01016.41
7.3.250.0100.01116.38
7.3.240.0060.01116.28
7.3.230.0130.00316.54
7.3.210.0120.00916.42
7.3.200.0090.01016.31
7.3.190.0070.01416.49
7.3.180.0090.01316.62
7.3.170.0100.01016.37
7.3.160.0060.01016.30
7.3.120.0090.00614.87
7.3.110.0070.00315.05
7.3.100.0100.00714.80
7.3.90.0120.00314.54
7.3.80.0070.00715.05
7.3.70.0060.00914.82
7.3.60.0070.01014.90
7.3.50.0110.00314.72
7.3.40.0000.01114.94
7.3.30.0070.00714.85
7.3.20.0100.00016.65
7.3.10.0090.00316.34
7.3.00.0040.00816.54
7.2.330.0140.00716.57
7.2.320.0140.00916.16
7.2.310.0040.01216.48
7.2.300.0030.01316.55
7.2.290.0110.01116.56
7.2.240.0060.00615.16
7.2.230.0040.00815.07
7.2.220.0100.00014.70
7.2.210.0090.00614.95
7.2.200.0030.01014.84
7.2.190.0030.01214.70
7.2.180.0060.01014.86
7.2.170.0060.00915.01
7.2.160.0040.01115.03
7.2.150.0090.00616.84
7.2.140.0060.00916.75
7.2.130.0100.00717.00
7.2.120.0000.01116.73
7.2.110.0120.00316.89
7.2.100.0070.00716.65
7.2.90.0080.00816.36
7.2.80.0100.00316.90
7.2.70.0000.01716.84
7.2.60.0050.01116.80
7.2.50.0080.00416.81
7.2.40.0030.01416.79
7.2.30.0070.01116.86
7.2.20.0040.01116.47
7.2.10.0100.00616.88
7.2.00.0040.00918.11
7.1.330.0070.00715.76
7.1.320.0000.01215.75
7.1.310.0090.00315.77
7.1.300.0090.00615.63
7.1.290.0090.00615.50
7.1.280.0030.00615.63
7.1.270.0060.00615.63
7.1.260.0030.00915.55
7.1.250.0040.01115.44
7.1.200.0100.00015.57
7.1.100.0030.00717.92
7.1.70.0040.00417.18
7.1.60.0060.00917.15
7.1.50.0040.00716.90
7.1.40.0030.01316.49
7.1.30.0070.00716.29
7.1.20.0000.02516.48
7.1.10.0460.00915.26
7.1.00.0510.00715.26
7.0.200.0040.00416.40
7.0.190.0070.00316.61
7.0.180.0050.00316.05
7.0.170.0050.00316.24
7.0.160.0060.00916.34
7.0.150.0470.00415.26
7.0.140.0640.00315.26
7.0.130.0450.00615.26
7.0.120.0520.00315.26
7.0.110.0030.00616.13
7.0.100.0030.00616.17
7.0.90.0030.00616.15
7.0.80.0040.00816.30
7.0.70.0110.00316.30
7.0.60.0070.00715.81
7.0.50.0040.00716.14
7.0.40.0080.00615.26
7.0.30.0030.01415.26
7.0.20.0060.00615.26
7.0.10.0090.00315.26
7.0.00.0000.01015.26
5.6.300.0070.05120.90
5.6.290.0070.04820.99
5.6.280.0070.04421.05
5.6.270.0200.04120.85
5.6.260.0070.04721.06
5.6.250.0030.04520.89
5.6.240.0030.04620.98
5.6.230.0070.04520.85
5.6.220.0040.05120.94
5.6.210.0100.04121.06
5.6.200.0060.04421.03
5.6.190.0070.04520.93
5.6.180.0060.04220.77
5.6.170.0100.04020.74
5.6.160.0110.04020.74
5.6.150.0030.05420.82
5.6.140.0150.03520.98
5.6.130.0070.05320.98
5.6.120.0190.04820.76
5.6.110.0070.04420.76
5.6.100.0070.04720.84
5.6.90.0090.04720.82
5.6.80.0040.04320.23
5.6.70.0030.04520.15
5.6.60.0120.03420.15
5.6.50.0100.06620.29
5.6.40.0030.04620.23
5.6.30.0030.04520.29
5.6.20.0170.03820.21
5.6.10.0170.03320.35
5.6.00.0070.04420.30
5.5.380.0000.04617.63
5.5.370.0150.03617.61
5.5.360.0100.05117.57
5.5.350.0040.04317.52
5.5.340.0040.04618.10
5.5.330.0160.03217.84
5.5.320.0030.04417.84
5.5.310.0030.04118.18
5.5.300.0150.02918.06
5.5.290.0030.05117.86
5.5.280.0030.04418.09
5.5.270.0030.04917.85
5.5.260.0070.04218.14
5.5.250.0040.04217.90
5.5.240.0130.04117.40
5.5.230.0030.05017.43
5.5.220.0030.04317.41
5.5.210.0030.03817.09
5.5.200.0000.05117.45
5.5.190.0030.04117.36
5.5.180.0000.05617.19
5.5.160.0000.04417.48
5.5.150.0070.03917.41
5.5.140.0030.03917.34
5.5.130.0030.04117.21
5.5.120.0030.04317.39
5.5.110.0070.03617.09
5.5.100.0070.04417.27
5.5.90.0030.04417.33
5.5.80.0120.03017.38
5.5.70.0070.03917.33
5.5.60.0030.03717.29
5.5.50.0000.04217.39
5.5.40.0090.04417.24
5.5.30.0030.04117.09
5.5.20.0070.03717.24
5.5.10.0030.03917.10
5.5.00.0150.02717.26

preferences:
25.87 ms | 401 KiB | 5 Q